2024-12-09
Are departure delays significantly different between morning and evening flights?
Flight delays are vey common
Mornings: 5:00am ~ 11:00am
Evenings: 5:00pm ~ 11:00pm
| Time of Day | Mean Delay (minutes) |
|---|---|
| evening | 22.729753 |
| morning | 3.492098 |
Observed Difference in Mean Delays (Evening - Morning): -19.23765 minutes
P-value: 0
Observed difference is highly unlikely to have occurred by chance if the null hypothesis were true.
Strong evidence to reject null hypothesis: red line falls outside the range of the simulated null distribution values.
Potential generalization into other mega airports in US: